Subaru Subaru Legacy 2020-present Brakes Specifications
Explore the detailed brake specifications for the 2020-Present Subaru Legacy, including rotor sizes, pad materials, and caliper configurations. Ideal for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and information about the braking system of the 2020-Present Subaru Legacy. It is designed to help users understand the technical aspects of the brakes, including components, performance, and maintenance. Use the search functionality to find specific terms or navigate through sections to explore detailed information about the braking system.
How to Use
Use the search bar to enter keywords related to the brakes, such as 'rotor size' or 'brake pad material'. The search will highlight relevant sections and subsections for quick access.
Scroll through the document or use the table of contents to jump to specific sections. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Front Rotor Diameter
12.4 inches (315 mm)
Rear Rotor Diameter
11.8 inches (300 mm)
Brake Pad Material
Ceramic and semi-metallic options
ABS System
Standard on all trims
Stopping Distance (60-0 mph)
120 feet (36.6 meters)
Available Specifications
Brake System Components
This section covers the primary components of the Subaru Legacy's braking system, including the rotors, calipers, brake pads, and hydraulic systems. Understanding these components is essential for maintenance and performance evaluation.
Brake System Components
This section covers the primary components of the Subaru Legacy's braking system, including the rotors, calipers, brake pads, and hydraulic systems. Understanding these components is essential for maintenance and performance evaluation.
Front Brake Rotors
- Ventilated disc design for improved heat dissipation
- Diameter: 12.4 inches (315 mm)
- Thickness: 1.1 inches (28 mm)
- Material: High-carbon cast iron for durability
- Coated with anti-corrosion treatment
Rear Brake Rotors
- Solid disc design for consistent performance
- Diameter: 11.8 inches (300 mm)
- Thickness: 0.8 inches (20 mm)
- Material: High-carbon cast iron
- Integrated parking brake mechanism
Brake Calipers
- Single-piston floating calipers for front and rear
- Aluminum construction for reduced weight
- Designed for even pad wear and consistent braking
- Includes dust seals for longevity
Brake Performance
This section focuses on the performance characteristics of the Subaru Legacy's braking system, including stopping distance, pedal feel, and advanced safety features.
Brake Performance
This section focuses on the performance characteristics of the Subaru Legacy's braking system, including stopping distance, pedal feel, and advanced safety features.
Stopping Distance
- 60-0 mph stopping distance: 120 feet (36.6 meters)
- Enhanced by ABS and electronic brake-force distribution
- Consistent performance in wet and dry conditions
- Tested for high-speed stability
Pedal Feel and Modulation
- Linear pedal response for precise control
- Hydraulic brake booster for reduced effort
- Integrated brake assist for emergency stops
- Smooth modulation for comfortable driving
Advanced Safety Features
- Standard ABS (Anti-lock Braking System)
- Electronic Brake-force Distribution (EBD)
- Brake Assist for sudden stops
- Vehicle Dynamics Control (VDC) for stability
Maintenance and Care
This section provides guidelines for maintaining the Subaru Legacy's braking system, including inspection intervals, replacement parts, and troubleshooting tips.
Maintenance and Care
This section provides guidelines for maintaining the Subaru Legacy's braking system, including inspection intervals, replacement parts, and troubleshooting tips.
Inspection Intervals
- Inspect brake pads every 12,000 miles (19,312 km)
- Check rotor thickness during pad replacement
- Inspect brake fluid every 30,000 miles (48,280 km)
- Monitor for unusual noises or vibrations
Replacement Parts
- Use OEM or equivalent brake pads and rotors
- Replace brake fluid with DOT 4 specification
- Ensure calipers are inspected during pad replacement
- Follow torque specifications for installation
Troubleshooting Tips
- Squeaking noises may indicate worn pads
- Vibrations could signal warped rotors
- Soft pedal may require brake fluid bleed
- ABS warning light indicates system diagnostics needed
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Brakes Specifications
Overview
- Type
- Hydraulic disc brakes
- Configuration
- Four-wheel disc brakes
- Platform
- Subaru Global Platform
- Material
- High-carbon cast iron rotors
- Location
- Front and rear axles
Dimensions
- Front Rotor Diameter
- 12.4 inches (315 mm)
- Rear Rotor Diameter
- 11.8 inches (300 mm)
- Front Rotor Thickness
- 1.1 inches (28 mm)
- Rear Rotor Thickness
- 0.9 inches (22 mm)
- Front Pad Area
- 2.8 square inches (18 square cm)
- Rear Pad Area
- 2.4 square inches (15.5 square cm)
- Brake Line Diameter
- 0.25 inches (6.35 mm)
Materials
- Rotors
- High-carbon cast iron with anti-corrosion coating
- Brake Pads
- Ceramic composite with heat-resistant backing
- Calipers
- Aluminum alloy with corrosion-resistant finish
- Brake Lines
- Reinforced rubber with steel braiding
Features
- Performance
-
- ABS (Anti-lock Braking System)
- Electronic Brake-force Distribution (EBD)
- Brake Assist
- Hill Start Assist
- Technology
-
- Electronic Parking Brake
- Automatic Brake Hold
- Brake Override System
- Vehicle Dynamics Control
- Durability
-
- Rust-resistant rotors
- High-temperature brake pads
- Corrosion-resistant calipers
- Reinforced brake lines
- Safety
-
- Emergency Stop Signal
- Collision Mitigation Braking
- Lane Keep Assist with braking
- Comfort
-
- Smooth pedal feel
- Low noise operation
- Reduced brake dust
Safety Features
- Active Safety
-
- ABS with EBD
- Collision Mitigation Braking
- Lane Keep Assist with braking
- Passive Safety
-
- Reinforced brake lines
- Corrosion-resistant components
- High-temperature resistance
- Emergency Features
-
- Emergency Stop Signal
- Brake Override System
- Hill Start Assist
Comfort Features
- Pedal Operation
-
- Smooth pedal feel
- Adjustable pedal sensitivity
- Low effort braking
- Noise Reduction
-
- Low noise operation
- Vibration dampening
- Quiet brake engagement
- Maintenance Ease
-
- Easy pad replacement
- Self-cleaning rotors
- Minimal brake dust
Accessories
- Upgrades
-
- Performance brake pads
- Slotted rotors
- Stainless steel brake lines
- Maintenance Tools
-
- Brake pad spreader
- Caliper compression tool
- Brake fluid tester
- Cleaning Products
-
- Brake cleaner spray
- Rotor cleaning brush
- Anti-squeal lubricant
Maintenance
- Service interval
- Every 12,000 miles or 12 months
- Service Items
-
- Inspect brake pads and rotors
- Check brake fluid level
- Inspect brake lines for leaks
- Test parking brake operation
- Measure rotor thickness
- Maintenance Notes
- Replace brake fluid every 30,000 miles or 3 years
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Parts and labor
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Brake components
- Corrosion Warranty
- Miles: UnlimitedYears: 5Coverage: Rust-through protection
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Brake-related emissions components
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Precision casting of rotors
- CNC machining of calipers
- Automated assembly
- Quality testing under load
- Quality Control
- Rotor inspection: Ultrasonic testing for defectsCaliper Testing: Pressure and leak testingPad Quality: Friction coefficient verification
- Sustainability Practices
-
- Recycled materials in brake pads
- Eco-friendly brake fluid
- Energy-efficient manufacturing
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: Less than 0.1%Energy Usage: 15 kWh per unit
Service Information for brakes Service
Maintenance and service requirements specific to this component
- Inspect brake pads and rotors
- Check brake fluid level
- Inspect brake lines for leaks
- Test parking brake operation
- Measure rotor thickness
Replace brake fluid every 30,000 miles or 3 years
- Replace brake fluid
- Inspect caliper operation
- Check ABS sensor function
- Test brake pedal feel
- Inspect brake booster
Use only Subaru-approved brake fluid
- Replace brake pads
- Resurface or replace rotors
- Inspect brake hoses
- Test emergency brake system
- Check brake system for leaks
Replace all brake components as a set for optimal performance
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are these brakes compatible with all 2020-Present Subaru Legacy models?
Are these brakes compatible with all 2020-Present Subaru Legacy models?
The brakes are designed to be compatible with all 2020-Present Subaru Legacy models, including both the 2.5L and 2.4L turbocharged engines. They meet OEM specifications for rotor size, pad material, and caliper fitment. However, it is recommended to verify compatibility with your specific trim level and optional performance packages, as variations may exist.
Q2 What is the recommended maintenance schedule for Subaru Legacy brakes?
What is the recommended maintenance schedule for Subaru Legacy brakes?
Subaru recommends inspecting the brake system every 12,000 miles or annually, whichever comes first. Brake pads should be replaced when worn to 3mm or less, and rotors should be checked for thickness and surface condition. Brake fluid should be flushed every 30,000 miles or 2 years to maintain optimal performance and safety.
Q3 How do I replace the brake pads on a 2020-Present Subaru Legacy?
How do I replace the brake pads on a 2020-Present Subaru Legacy?
To replace the brake pads, first, lift the vehicle and remove the wheels. Unbolt the caliper and hang it securely to avoid damaging the brake line. Remove the old pads and inspect the rotor. If necessary, resurface or replace the rotor. Install the new pads, reassemble the caliper, and torque the bolts to the manufacturer's specifications. Finally, pump the brake pedal to restore pressure before driving.
Q4 What should I do if my brakes are squeaking or vibrating?
What should I do if my brakes are squeaking or vibrating?
Squeaking or vibrating brakes may indicate worn pads, uneven rotor surfaces, or debris in the braking system. Inspect the pads and rotors for wear or damage. Clean the brake components and apply brake grease to the back of the pads if necessary. If the issue persists, consider resurfacing or replacing the rotors and ensure all hardware is properly torqued.
Q5 How can I optimize the performance of my Subaru Legacy brakes?
How can I optimize the performance of my Subaru Legacy brakes?
To optimize brake performance, use high-quality brake pads and rotors designed for your driving conditions. Regularly inspect and maintain the brake system, including fluid flushes and hardware lubrication. Avoid aggressive braking and allow the brakes to cool after heavy use. Consider upgrading to performance brake components if you frequently drive in demanding conditions.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2020-Present Subaru Legacy Service Manual
Coming SoonThis manual provides detailed instructions for servicing and maintaining the brake system, including torque specifications, part numbers, and diagnostic procedures.
Subaru Technical Service Bulletin: Brake System Updates
Coming SoonThis bulletin outlines recent updates and improvements to the brake system, including software updates and revised maintenance procedures.
Subaru Legacy Brake Parts Catalog
Coming SoonThis catalog lists all available brake components for the 2020-Present Subaru Legacy, including OEM and aftermarket options, with part numbers and compatibility details.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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